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    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>网络安全训练营</title>
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<body style="background-color: orange;">
    <a href="https://time.geekbang.org/" target="_blank">
        <div style="text-align:center">
            <img src="images\pm.jpg" title="极客时间" class="center">
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    </a>
    <hr>
    <!-- <h2>“<a> 极客时间 <p>”</h2> -->
    <div style="text-align: center;">
        <h2>&quot;&lt;a&gt; 极客时间 &lt;p&gt;&quot;</h2>
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</body>
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